tofsee | 090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:08

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General

Target

JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe
Size

147KB
MD5

1396631f611f0b34bfa14e49f3774c72
SHA1

cd9a713144a06aae7b0050b6bf63362035fcd763
SHA256

090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24
SHA512

130961929d17400c5e9c2d26b6052847506c634460284dd29456c150c90df9d186edca1988fc9bd7fdfc8c8265a233b2fed65be9816c18b8f52e56a45fea348c
SSDEEP

1536:MfISSdp/jPGOEuP7Wvo1xhY15T+ijyP5+WiTHzf0cGNIk6h3uJp+Q7Jgz70Of+RR:MFYpxPkoBSVj+5IXf0cYIkwqfPLRJDz

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ruddulfe = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2732	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ruddulfe\ImagePath = "C:\\Windows\\SysWOW64\\ruddulfe\\wueccsbr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2068	wueccsbr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2708	2068	wueccsbr.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2924	sc.exe
2736	sc.exe
2824	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wueccsbr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2408	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	30
PID 1744 wrote to memory of 2408	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	30
PID 1744 wrote to memory of 2408	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	30
PID 1744 wrote to memory of 2408	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	30
PID 1744 wrote to memory of 2568	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	32
PID 1744 wrote to memory of 2568	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	32
PID 1744 wrote to memory of 2568	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	32
PID 1744 wrote to memory of 2568	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	32
PID 1744 wrote to memory of 2924	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	34
PID 1744 wrote to memory of 2924	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	34
PID 1744 wrote to memory of 2924	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	34
PID 1744 wrote to memory of 2924	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	34
PID 1744 wrote to memory of 2736	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	36
PID 1744 wrote to memory of 2736	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	36
PID 1744 wrote to memory of 2736	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	36
PID 1744 wrote to memory of 2736	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	36
PID 1744 wrote to memory of 2824	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	38
PID 1744 wrote to memory of 2824	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	38
PID 1744 wrote to memory of 2824	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	38
PID 1744 wrote to memory of 2824	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	38
PID 1744 wrote to memory of 2732	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	41
PID 1744 wrote to memory of 2732	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	41
PID 1744 wrote to memory of 2732	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	41
PID 1744 wrote to memory of 2732	1744	JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe	41
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43
PID 2068 wrote to memory of 2708	2068	wueccsbr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ruddulfe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wueccsbr.exe" C:\Windows\SysWOW64\ruddulfe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ruddulfe binPath= "C:\Windows\SysWOW64\ruddulfe\wueccsbr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ruddulfe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ruddulfe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2732

C:\Windows\SysWOW64\ruddulfe\wueccsbr.exe
C:\Windows\SysWOW64\ruddulfe\wueccsbr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_090d1c667392de95141f6de35994eafe1b37e4e7bdca53d771fd0daf835fed24.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wueccsbr.exe

Filesize
13.2MB

MD5
098c198fb5fb79ce132878cc995d6945

SHA1
68605e60e0277aecbdae16b57d049f8305c12893

SHA256
6a11d0fc94ab38f84e7b1e0470c098f099c1c1d9aec06df83676cdf3b272af63

SHA512
433a059b6b73e909a7a80904ec9eb281a08e2a470394900128a44ea1af5edc9c4d181740c6e1fdfcd50dbdac914d340338a8e2529ad598c96f81c1144c1bdc5f

Download Submit
memory/1744-9-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1744-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1744-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1744-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/1744-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1744-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2068-16-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2708-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2708-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2708-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2708-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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